650nm 100mW Red Laser Diode Module | Focusable Dot Line Cross USB
650nm 100mW Red Laser Diode Module | Focusable Dot Line Cross USB
650nm 100mW Red Laser Diode Module – Focusable Dot, Line & Cross Beam
Meet the Elubor 650nm 100mW Red Laser Diode Module — a compact, high-precision optical component designed for industrial testing, laboratory use, DIY electronics, and precision alignment applications. Powered via USB (5V), this mini 12×35mm module delivers a sharp, focusable red laser beam in three selectable patterns: Dot, Line, or Cross (120° default). Its adjustable focus and wide operating temperature range make it a versatile workhorse for engineers, hobbyists, and researchers alike.
Made in Mainland China.
Key Specifications
- Wavelength: 650nm (visible red)
- Output Power: 100mW
- Working Voltage: 3V – 5V (USB 5V powered)
- Working Current: 120mA
- Dimensions: 12 × 35mm (mini form factor)
- Beam Shape: Dot / Cross / Line (120° as default)
- Focus: Adjustable / Focusable
- Operating Temperature: -10°C to +55°C
- Power Source: USB (AC adapter / 5V)
- Model: 650MDLC-100-1235-USB
Features & Benefits
- 🔴 Versatile Beam Modes: Switchable between dot, line, and cross patterns — ideal for alignment, measurement, and DIY laser projects.
- 🔧 Adjustable Focus: Rotate the head to fine-tune beam sharpness for your specific application distance.
- ⚡ USB Powered: Plug directly into any standard USB port or 5V power source for instant operation — no proprietary adapter required.
- 📐 Compact Design: At just 12×35mm, this mini module integrates easily into custom assemblies, fixtures, and test rigs.
- 🌡️ Wide Temperature Range: Reliable performance from -10°C to +55°C for both indoor lab and field applications.
- 🏭 Industrial-Grade Component: Engineered for industrial testing, optical lab experiments, and precision DIY electronics projects.
⚠️ Laser Safety Notice
This is a Class 3B laser product. Always wear appropriate 650nm laser safety goggles when operating this module. This is a precision optical instrument intended for use by individuals with experience in optics, electronics DIY, or laser testing. Never aim the beam at eyes, skin, or reflective surfaces. Keep away from children. For more information on laser safety standards, refer to the FDA's Laser Products & Instruments guidelines.
What's in the Box
- 1× 650nm 100mW Red Laser Diode Module (12×35mm, USB)
Note: Batteries and bulbs are not included. Laser safety goggles are strongly recommended and sold separately.
Ideal Applications
- Industrial measurement & alignment testing
- Laboratory optical experiments
- DIY laser projects & electronics prototyping
- Laser engraving machine positioning
- Stage & DJ visual effects (professional use)
- Robotics & sensor calibration
Frequently Asked Questions
Q: What beam patterns does this 650nm red laser module support?
A: The module supports three beam patterns — Dot, Line, and Cross. The cross beam is set to 120° by default. You can select or change the pattern by swapping the included lens head depending on your application needs.
Q: How is the 650nm 100mW laser module powered?
A: It is powered via a standard USB (5V) connection, drawing approximately 120mA. You can plug it into any USB port, USB wall adapter, or 5V DC power supply — no special proprietary adapter is required.
Q: Is this laser module safe to use at home for DIY projects?
A: This is a 100mW industrial-grade laser component and should only be operated by individuals with experience in optics or laser electronics. Always wear 650nm-rated laser safety goggles during use. Keep out of reach of children and never direct the beam toward eyes or reflective surfaces. Refer to the FDA laser safety guidelines for more information.
Q: Can the focus of the red laser beam be adjusted?
A: Yes. The module features an adjustable focus mechanism — simply rotate the front lens head to sharpen or widen the beam to suit your working distance.
Q: What are the operating temperature limits for this laser module?
A: The module is rated to operate reliably between -10°C and +55°C, making it suitable for a wide range of indoor laboratory and light industrial field environments.